Commit | Line | Data |
---|---|---|
d8f4a9ed TR |
1 | /* |
2 | * Copyright (C) 2012 Avionic Design GmbH | |
d43f81cb | 3 | * Copyright (C) 2012-2013 NVIDIA CORPORATION. All rights reserved. |
d8f4a9ed TR |
4 | * |
5 | * This program is free software; you can redistribute it and/or modify | |
6 | * it under the terms of the GNU General Public License version 2 as | |
7 | * published by the Free Software Foundation. | |
8 | */ | |
9 | ||
10 | #include <linux/module.h> | |
11 | #include <linux/of_address.h> | |
12 | #include <linux/of_platform.h> | |
13 | ||
d8f4a9ed TR |
14 | #include <linux/dma-mapping.h> |
15 | #include <asm/dma-iommu.h> | |
16 | ||
d43f81cb TB |
17 | #include <drm/drm.h> |
18 | #include <drm/drmP.h> | |
19 | ||
692e6d7b | 20 | #include "host1x_client.h" |
de2ba664 | 21 | #include "dev.h" |
d8f4a9ed | 22 | #include "drm.h" |
de2ba664 AM |
23 | #include "gem.h" |
24 | #include "syncpt.h" | |
d8f4a9ed TR |
25 | |
26 | #define DRIVER_NAME "tegra" | |
27 | #define DRIVER_DESC "NVIDIA Tegra graphics" | |
28 | #define DRIVER_DATE "20120330" | |
29 | #define DRIVER_MAJOR 0 | |
30 | #define DRIVER_MINOR 0 | |
31 | #define DRIVER_PATCHLEVEL 0 | |
32 | ||
692e6d7b TB |
33 | struct host1x_drm_client { |
34 | struct host1x_client *client; | |
35 | struct device_node *np; | |
36 | struct list_head list; | |
37 | }; | |
38 | ||
39 | static int host1x_add_drm_client(struct host1x_drm *host1x, | |
40 | struct device_node *np) | |
41 | { | |
42 | struct host1x_drm_client *client; | |
43 | ||
44 | client = kzalloc(sizeof(*client), GFP_KERNEL); | |
45 | if (!client) | |
46 | return -ENOMEM; | |
47 | ||
48 | INIT_LIST_HEAD(&client->list); | |
49 | client->np = of_node_get(np); | |
50 | ||
51 | list_add_tail(&client->list, &host1x->drm_clients); | |
52 | ||
53 | return 0; | |
54 | } | |
55 | ||
56 | static int host1x_activate_drm_client(struct host1x_drm *host1x, | |
57 | struct host1x_drm_client *drm, | |
58 | struct host1x_client *client) | |
59 | { | |
60 | mutex_lock(&host1x->drm_clients_lock); | |
61 | list_del_init(&drm->list); | |
62 | list_add_tail(&drm->list, &host1x->drm_active); | |
63 | drm->client = client; | |
64 | mutex_unlock(&host1x->drm_clients_lock); | |
65 | ||
66 | return 0; | |
67 | } | |
68 | ||
69 | static int host1x_remove_drm_client(struct host1x_drm *host1x, | |
70 | struct host1x_drm_client *client) | |
71 | { | |
72 | mutex_lock(&host1x->drm_clients_lock); | |
73 | list_del_init(&client->list); | |
74 | mutex_unlock(&host1x->drm_clients_lock); | |
75 | ||
76 | of_node_put(client->np); | |
77 | kfree(client); | |
78 | ||
79 | return 0; | |
80 | } | |
81 | ||
82 | static int host1x_parse_dt(struct host1x_drm *host1x) | |
83 | { | |
84 | static const char * const compat[] = { | |
85 | "nvidia,tegra20-dc", | |
86 | "nvidia,tegra20-hdmi", | |
d43f81cb | 87 | "nvidia,tegra20-gr2d", |
692e6d7b TB |
88 | "nvidia,tegra30-dc", |
89 | "nvidia,tegra30-hdmi", | |
d43f81cb | 90 | "nvidia,tegra30-gr2d", |
692e6d7b TB |
91 | }; |
92 | unsigned int i; | |
93 | int err; | |
94 | ||
95 | for (i = 0; i < ARRAY_SIZE(compat); i++) { | |
96 | struct device_node *np; | |
97 | ||
98 | for_each_child_of_node(host1x->dev->of_node, np) { | |
99 | if (of_device_is_compatible(np, compat[i]) && | |
100 | of_device_is_available(np)) { | |
101 | err = host1x_add_drm_client(host1x, np); | |
102 | if (err < 0) | |
103 | return err; | |
104 | } | |
105 | } | |
106 | } | |
107 | ||
108 | return 0; | |
109 | } | |
110 | ||
111 | int host1x_drm_alloc(struct platform_device *pdev) | |
112 | { | |
113 | struct host1x_drm *host1x; | |
114 | int err; | |
115 | ||
116 | host1x = devm_kzalloc(&pdev->dev, sizeof(*host1x), GFP_KERNEL); | |
117 | if (!host1x) | |
118 | return -ENOMEM; | |
119 | ||
120 | mutex_init(&host1x->drm_clients_lock); | |
121 | INIT_LIST_HEAD(&host1x->drm_clients); | |
122 | INIT_LIST_HEAD(&host1x->drm_active); | |
123 | mutex_init(&host1x->clients_lock); | |
124 | INIT_LIST_HEAD(&host1x->clients); | |
125 | host1x->dev = &pdev->dev; | |
126 | ||
127 | err = host1x_parse_dt(host1x); | |
128 | if (err < 0) { | |
129 | dev_err(&pdev->dev, "failed to parse DT: %d\n", err); | |
130 | return err; | |
131 | } | |
132 | ||
133 | host1x_set_drm_data(&pdev->dev, host1x); | |
134 | ||
135 | return 0; | |
136 | } | |
137 | ||
138 | int host1x_drm_init(struct host1x_drm *host1x, struct drm_device *drm) | |
139 | { | |
140 | struct host1x_client *client; | |
141 | ||
142 | mutex_lock(&host1x->clients_lock); | |
143 | ||
144 | list_for_each_entry(client, &host1x->clients, list) { | |
145 | if (client->ops && client->ops->drm_init) { | |
146 | int err = client->ops->drm_init(client, drm); | |
147 | if (err < 0) { | |
148 | dev_err(host1x->dev, | |
149 | "DRM setup failed for %s: %d\n", | |
150 | dev_name(client->dev), err); | |
b6f2056f | 151 | mutex_unlock(&host1x->clients_lock); |
692e6d7b TB |
152 | return err; |
153 | } | |
154 | } | |
155 | } | |
156 | ||
157 | mutex_unlock(&host1x->clients_lock); | |
158 | ||
159 | return 0; | |
160 | } | |
161 | ||
162 | int host1x_drm_exit(struct host1x_drm *host1x) | |
163 | { | |
164 | struct platform_device *pdev = to_platform_device(host1x->dev); | |
165 | struct host1x_client *client; | |
166 | ||
167 | if (!host1x->drm) | |
168 | return 0; | |
169 | ||
170 | mutex_lock(&host1x->clients_lock); | |
171 | ||
172 | list_for_each_entry_reverse(client, &host1x->clients, list) { | |
173 | if (client->ops && client->ops->drm_exit) { | |
174 | int err = client->ops->drm_exit(client); | |
175 | if (err < 0) { | |
176 | dev_err(host1x->dev, | |
177 | "DRM cleanup failed for %s: %d\n", | |
178 | dev_name(client->dev), err); | |
b6f2056f | 179 | mutex_unlock(&host1x->clients_lock); |
692e6d7b TB |
180 | return err; |
181 | } | |
182 | } | |
183 | } | |
184 | ||
185 | mutex_unlock(&host1x->clients_lock); | |
186 | ||
187 | drm_platform_exit(&tegra_drm_driver, pdev); | |
188 | host1x->drm = NULL; | |
189 | ||
190 | return 0; | |
191 | } | |
192 | ||
193 | int host1x_register_client(struct host1x_drm *host1x, | |
194 | struct host1x_client *client) | |
195 | { | |
196 | struct host1x_drm_client *drm, *tmp; | |
197 | int err; | |
198 | ||
199 | mutex_lock(&host1x->clients_lock); | |
200 | list_add_tail(&client->list, &host1x->clients); | |
201 | mutex_unlock(&host1x->clients_lock); | |
202 | ||
203 | list_for_each_entry_safe(drm, tmp, &host1x->drm_clients, list) | |
204 | if (drm->np == client->dev->of_node) | |
205 | host1x_activate_drm_client(host1x, drm, client); | |
206 | ||
207 | if (list_empty(&host1x->drm_clients)) { | |
208 | struct platform_device *pdev = to_platform_device(host1x->dev); | |
209 | ||
210 | err = drm_platform_init(&tegra_drm_driver, pdev); | |
211 | if (err < 0) { | |
212 | dev_err(host1x->dev, "drm_platform_init(): %d\n", err); | |
213 | return err; | |
214 | } | |
215 | } | |
216 | ||
217 | return 0; | |
218 | } | |
219 | ||
220 | int host1x_unregister_client(struct host1x_drm *host1x, | |
221 | struct host1x_client *client) | |
222 | { | |
223 | struct host1x_drm_client *drm, *tmp; | |
224 | int err; | |
225 | ||
226 | list_for_each_entry_safe(drm, tmp, &host1x->drm_active, list) { | |
227 | if (drm->client == client) { | |
228 | err = host1x_drm_exit(host1x); | |
229 | if (err < 0) { | |
230 | dev_err(host1x->dev, "host1x_drm_exit(): %d\n", | |
231 | err); | |
232 | return err; | |
233 | } | |
234 | ||
235 | host1x_remove_drm_client(host1x, drm); | |
236 | break; | |
237 | } | |
238 | } | |
239 | ||
240 | mutex_lock(&host1x->clients_lock); | |
241 | list_del_init(&client->list); | |
242 | mutex_unlock(&host1x->clients_lock); | |
243 | ||
244 | return 0; | |
245 | } | |
246 | ||
d8f4a9ed TR |
247 | static int tegra_drm_load(struct drm_device *drm, unsigned long flags) |
248 | { | |
c89c0ea6 | 249 | struct host1x_drm *host1x; |
d8f4a9ed TR |
250 | int err; |
251 | ||
692e6d7b | 252 | host1x = host1x_get_drm_data(drm->dev); |
d8f4a9ed TR |
253 | drm->dev_private = host1x; |
254 | host1x->drm = drm; | |
255 | ||
256 | drm_mode_config_init(drm); | |
257 | ||
258 | err = host1x_drm_init(host1x, drm); | |
259 | if (err < 0) | |
260 | return err; | |
261 | ||
603f0cc9 TR |
262 | /* |
263 | * We don't use the drm_irq_install() helpers provided by the DRM | |
264 | * core, so we need to set this manually in order to allow the | |
265 | * DRM_IOCTL_WAIT_VBLANK to operate correctly. | |
266 | */ | |
267 | drm->irq_enabled = 1; | |
268 | ||
6e5ff998 TR |
269 | err = drm_vblank_init(drm, drm->mode_config.num_crtc); |
270 | if (err < 0) | |
271 | return err; | |
272 | ||
d8f4a9ed TR |
273 | err = tegra_drm_fb_init(drm); |
274 | if (err < 0) | |
275 | return err; | |
276 | ||
277 | drm_kms_helper_poll_init(drm); | |
278 | ||
279 | return 0; | |
280 | } | |
281 | ||
282 | static int tegra_drm_unload(struct drm_device *drm) | |
283 | { | |
284 | drm_kms_helper_poll_fini(drm); | |
285 | tegra_drm_fb_exit(drm); | |
286 | ||
287 | drm_mode_config_cleanup(drm); | |
288 | ||
289 | return 0; | |
290 | } | |
291 | ||
292 | static int tegra_drm_open(struct drm_device *drm, struct drm_file *filp) | |
293 | { | |
d43f81cb TB |
294 | struct host1x_drm_file *fpriv; |
295 | ||
296 | fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL); | |
297 | if (!fpriv) | |
298 | return -ENOMEM; | |
299 | ||
300 | INIT_LIST_HEAD(&fpriv->contexts); | |
301 | filp->driver_priv = fpriv; | |
302 | ||
d8f4a9ed TR |
303 | return 0; |
304 | } | |
305 | ||
d43f81cb TB |
306 | static void host1x_drm_context_free(struct host1x_drm_context *context) |
307 | { | |
308 | context->client->ops->close_channel(context); | |
309 | kfree(context); | |
310 | } | |
311 | ||
d8f4a9ed TR |
312 | static void tegra_drm_lastclose(struct drm_device *drm) |
313 | { | |
c89c0ea6 | 314 | struct host1x_drm *host1x = drm->dev_private; |
d8f4a9ed | 315 | |
de2ba664 | 316 | tegra_fbdev_restore_mode(host1x->fbdev); |
d8f4a9ed TR |
317 | } |
318 | ||
d43f81cb TB |
319 | #ifdef CONFIG_DRM_TEGRA_STAGING |
320 | static bool host1x_drm_file_owns_context(struct host1x_drm_file *file, | |
321 | struct host1x_drm_context *context) | |
322 | { | |
323 | struct host1x_drm_context *ctx; | |
324 | ||
325 | list_for_each_entry(ctx, &file->contexts, list) | |
326 | if (ctx == context) | |
327 | return true; | |
328 | ||
329 | return false; | |
330 | } | |
331 | ||
332 | static int tegra_gem_create(struct drm_device *drm, void *data, | |
333 | struct drm_file *file) | |
334 | { | |
335 | struct drm_tegra_gem_create *args = data; | |
336 | struct tegra_bo *bo; | |
337 | ||
338 | bo = tegra_bo_create_with_handle(file, drm, args->size, | |
339 | &args->handle); | |
340 | if (IS_ERR(bo)) | |
341 | return PTR_ERR(bo); | |
342 | ||
343 | return 0; | |
344 | } | |
345 | ||
346 | static int tegra_gem_mmap(struct drm_device *drm, void *data, | |
347 | struct drm_file *file) | |
348 | { | |
349 | struct drm_tegra_gem_mmap *args = data; | |
350 | struct drm_gem_object *gem; | |
351 | struct tegra_bo *bo; | |
352 | ||
353 | gem = drm_gem_object_lookup(drm, file, args->handle); | |
354 | if (!gem) | |
355 | return -EINVAL; | |
356 | ||
357 | bo = to_tegra_bo(gem); | |
358 | ||
359 | args->offset = tegra_bo_get_mmap_offset(bo); | |
360 | ||
361 | drm_gem_object_unreference(gem); | |
362 | ||
363 | return 0; | |
364 | } | |
365 | ||
366 | static int tegra_syncpt_read(struct drm_device *drm, void *data, | |
367 | struct drm_file *file) | |
368 | { | |
369 | struct drm_tegra_syncpt_read *args = data; | |
370 | struct host1x *host = dev_get_drvdata(drm->dev); | |
371 | struct host1x_syncpt *sp = host1x_syncpt_get(host, args->id); | |
372 | ||
373 | if (!sp) | |
374 | return -EINVAL; | |
375 | ||
376 | args->value = host1x_syncpt_read_min(sp); | |
377 | return 0; | |
378 | } | |
379 | ||
380 | static int tegra_syncpt_incr(struct drm_device *drm, void *data, | |
381 | struct drm_file *file) | |
382 | { | |
383 | struct drm_tegra_syncpt_incr *args = data; | |
384 | struct host1x *host = dev_get_drvdata(drm->dev); | |
385 | struct host1x_syncpt *sp = host1x_syncpt_get(host, args->id); | |
386 | ||
387 | if (!sp) | |
388 | return -EINVAL; | |
389 | ||
ebae30b1 | 390 | return host1x_syncpt_incr(sp); |
d43f81cb TB |
391 | } |
392 | ||
393 | static int tegra_syncpt_wait(struct drm_device *drm, void *data, | |
394 | struct drm_file *file) | |
395 | { | |
396 | struct drm_tegra_syncpt_wait *args = data; | |
397 | struct host1x *host = dev_get_drvdata(drm->dev); | |
398 | struct host1x_syncpt *sp = host1x_syncpt_get(host, args->id); | |
399 | ||
400 | if (!sp) | |
401 | return -EINVAL; | |
402 | ||
403 | return host1x_syncpt_wait(sp, args->thresh, args->timeout, | |
404 | &args->value); | |
405 | } | |
406 | ||
407 | static int tegra_open_channel(struct drm_device *drm, void *data, | |
408 | struct drm_file *file) | |
409 | { | |
410 | struct drm_tegra_open_channel *args = data; | |
411 | struct host1x_client *client; | |
412 | struct host1x_drm_context *context; | |
413 | struct host1x_drm_file *fpriv = file->driver_priv; | |
414 | struct host1x_drm *host1x = drm->dev_private; | |
415 | int err = -ENODEV; | |
416 | ||
417 | context = kzalloc(sizeof(*context), GFP_KERNEL); | |
418 | if (!context) | |
419 | return -ENOMEM; | |
420 | ||
421 | list_for_each_entry(client, &host1x->clients, list) | |
422 | if (client->class == args->client) { | |
423 | err = client->ops->open_channel(client, context); | |
424 | if (err) | |
425 | break; | |
426 | ||
427 | context->client = client; | |
428 | list_add(&context->list, &fpriv->contexts); | |
429 | args->context = (uintptr_t)context; | |
430 | return 0; | |
431 | } | |
432 | ||
433 | kfree(context); | |
434 | return err; | |
435 | } | |
436 | ||
437 | static int tegra_close_channel(struct drm_device *drm, void *data, | |
438 | struct drm_file *file) | |
439 | { | |
440 | struct drm_tegra_close_channel *args = data; | |
441 | struct host1x_drm_file *fpriv = file->driver_priv; | |
442 | struct host1x_drm_context *context = | |
443 | (struct host1x_drm_context *)(uintptr_t)args->context; | |
444 | ||
445 | if (!host1x_drm_file_owns_context(fpriv, context)) | |
446 | return -EINVAL; | |
447 | ||
448 | list_del(&context->list); | |
449 | host1x_drm_context_free(context); | |
450 | ||
451 | return 0; | |
452 | } | |
453 | ||
454 | static int tegra_get_syncpt(struct drm_device *drm, void *data, | |
455 | struct drm_file *file) | |
456 | { | |
457 | struct drm_tegra_get_syncpt *args = data; | |
458 | struct host1x_drm_file *fpriv = file->driver_priv; | |
459 | struct host1x_drm_context *context = | |
460 | (struct host1x_drm_context *)(uintptr_t)args->context; | |
461 | struct host1x_syncpt *syncpt; | |
462 | ||
463 | if (!host1x_drm_file_owns_context(fpriv, context)) | |
464 | return -ENODEV; | |
465 | ||
466 | if (args->index >= context->client->num_syncpts) | |
467 | return -EINVAL; | |
468 | ||
469 | syncpt = context->client->syncpts[args->index]; | |
470 | args->id = host1x_syncpt_id(syncpt); | |
471 | ||
472 | return 0; | |
473 | } | |
474 | ||
475 | static int tegra_submit(struct drm_device *drm, void *data, | |
476 | struct drm_file *file) | |
477 | { | |
478 | struct drm_tegra_submit *args = data; | |
479 | struct host1x_drm_file *fpriv = file->driver_priv; | |
480 | struct host1x_drm_context *context = | |
481 | (struct host1x_drm_context *)(uintptr_t)args->context; | |
482 | ||
483 | if (!host1x_drm_file_owns_context(fpriv, context)) | |
484 | return -ENODEV; | |
485 | ||
486 | return context->client->ops->submit(context, args, drm, file); | |
487 | } | |
488 | #endif | |
489 | ||
baa70943 | 490 | static const struct drm_ioctl_desc tegra_drm_ioctls[] = { |
d43f81cb TB |
491 | #ifdef CONFIG_DRM_TEGRA_STAGING |
492 | DRM_IOCTL_DEF_DRV(TEGRA_GEM_CREATE, tegra_gem_create, DRM_UNLOCKED | DRM_AUTH), | |
493 | DRM_IOCTL_DEF_DRV(TEGRA_GEM_MMAP, tegra_gem_mmap, DRM_UNLOCKED), | |
494 | DRM_IOCTL_DEF_DRV(TEGRA_SYNCPT_READ, tegra_syncpt_read, DRM_UNLOCKED), | |
495 | DRM_IOCTL_DEF_DRV(TEGRA_SYNCPT_INCR, tegra_syncpt_incr, DRM_UNLOCKED), | |
496 | DRM_IOCTL_DEF_DRV(TEGRA_SYNCPT_WAIT, tegra_syncpt_wait, DRM_UNLOCKED), | |
497 | DRM_IOCTL_DEF_DRV(TEGRA_OPEN_CHANNEL, tegra_open_channel, DRM_UNLOCKED), | |
498 | DRM_IOCTL_DEF_DRV(TEGRA_CLOSE_CHANNEL, tegra_close_channel, DRM_UNLOCKED), | |
499 | DRM_IOCTL_DEF_DRV(TEGRA_GET_SYNCPT, tegra_get_syncpt, DRM_UNLOCKED), | |
500 | DRM_IOCTL_DEF_DRV(TEGRA_SUBMIT, tegra_submit, DRM_UNLOCKED), | |
501 | #endif | |
d8f4a9ed TR |
502 | }; |
503 | ||
504 | static const struct file_operations tegra_drm_fops = { | |
505 | .owner = THIS_MODULE, | |
506 | .open = drm_open, | |
507 | .release = drm_release, | |
508 | .unlocked_ioctl = drm_ioctl, | |
de2ba664 | 509 | .mmap = tegra_drm_mmap, |
d8f4a9ed TR |
510 | .poll = drm_poll, |
511 | .fasync = drm_fasync, | |
512 | .read = drm_read, | |
513 | #ifdef CONFIG_COMPAT | |
514 | .compat_ioctl = drm_compat_ioctl, | |
515 | #endif | |
516 | .llseek = noop_llseek, | |
517 | }; | |
518 | ||
6e5ff998 TR |
519 | static struct drm_crtc *tegra_crtc_from_pipe(struct drm_device *drm, int pipe) |
520 | { | |
521 | struct drm_crtc *crtc; | |
522 | ||
523 | list_for_each_entry(crtc, &drm->mode_config.crtc_list, head) { | |
524 | struct tegra_dc *dc = to_tegra_dc(crtc); | |
525 | ||
526 | if (dc->pipe == pipe) | |
527 | return crtc; | |
528 | } | |
529 | ||
530 | return NULL; | |
531 | } | |
532 | ||
533 | static u32 tegra_drm_get_vblank_counter(struct drm_device *dev, int crtc) | |
534 | { | |
535 | /* TODO: implement real hardware counter using syncpoints */ | |
536 | return drm_vblank_count(dev, crtc); | |
537 | } | |
538 | ||
539 | static int tegra_drm_enable_vblank(struct drm_device *drm, int pipe) | |
540 | { | |
541 | struct drm_crtc *crtc = tegra_crtc_from_pipe(drm, pipe); | |
542 | struct tegra_dc *dc = to_tegra_dc(crtc); | |
543 | ||
544 | if (!crtc) | |
545 | return -ENODEV; | |
546 | ||
547 | tegra_dc_enable_vblank(dc); | |
548 | ||
549 | return 0; | |
550 | } | |
551 | ||
552 | static void tegra_drm_disable_vblank(struct drm_device *drm, int pipe) | |
553 | { | |
554 | struct drm_crtc *crtc = tegra_crtc_from_pipe(drm, pipe); | |
555 | struct tegra_dc *dc = to_tegra_dc(crtc); | |
556 | ||
557 | if (crtc) | |
558 | tegra_dc_disable_vblank(dc); | |
559 | } | |
560 | ||
3c03c46a TR |
561 | static void tegra_drm_preclose(struct drm_device *drm, struct drm_file *file) |
562 | { | |
d43f81cb TB |
563 | struct host1x_drm_file *fpriv = file->driver_priv; |
564 | struct host1x_drm_context *context, *tmp; | |
3c03c46a TR |
565 | struct drm_crtc *crtc; |
566 | ||
567 | list_for_each_entry(crtc, &drm->mode_config.crtc_list, head) | |
568 | tegra_dc_cancel_page_flip(crtc, file); | |
d43f81cb TB |
569 | |
570 | list_for_each_entry_safe(context, tmp, &fpriv->contexts, list) | |
571 | host1x_drm_context_free(context); | |
572 | ||
573 | kfree(fpriv); | |
3c03c46a TR |
574 | } |
575 | ||
e450fcc6 TR |
576 | #ifdef CONFIG_DEBUG_FS |
577 | static int tegra_debugfs_framebuffers(struct seq_file *s, void *data) | |
578 | { | |
579 | struct drm_info_node *node = (struct drm_info_node *)s->private; | |
580 | struct drm_device *drm = node->minor->dev; | |
581 | struct drm_framebuffer *fb; | |
582 | ||
583 | mutex_lock(&drm->mode_config.fb_lock); | |
584 | ||
585 | list_for_each_entry(fb, &drm->mode_config.fb_list, head) { | |
586 | seq_printf(s, "%3d: user size: %d x %d, depth %d, %d bpp, refcount %d\n", | |
587 | fb->base.id, fb->width, fb->height, fb->depth, | |
588 | fb->bits_per_pixel, | |
589 | atomic_read(&fb->refcount.refcount)); | |
590 | } | |
591 | ||
592 | mutex_unlock(&drm->mode_config.fb_lock); | |
593 | ||
594 | return 0; | |
595 | } | |
596 | ||
597 | static struct drm_info_list tegra_debugfs_list[] = { | |
598 | { "framebuffers", tegra_debugfs_framebuffers, 0 }, | |
599 | }; | |
600 | ||
601 | static int tegra_debugfs_init(struct drm_minor *minor) | |
602 | { | |
603 | return drm_debugfs_create_files(tegra_debugfs_list, | |
604 | ARRAY_SIZE(tegra_debugfs_list), | |
605 | minor->debugfs_root, minor); | |
606 | } | |
607 | ||
608 | static void tegra_debugfs_cleanup(struct drm_minor *minor) | |
609 | { | |
610 | drm_debugfs_remove_files(tegra_debugfs_list, | |
611 | ARRAY_SIZE(tegra_debugfs_list), minor); | |
612 | } | |
613 | #endif | |
614 | ||
d8f4a9ed | 615 | struct drm_driver tegra_drm_driver = { |
604faa7d | 616 | .driver_features = DRIVER_MODESET | DRIVER_GEM, |
d8f4a9ed TR |
617 | .load = tegra_drm_load, |
618 | .unload = tegra_drm_unload, | |
619 | .open = tegra_drm_open, | |
3c03c46a | 620 | .preclose = tegra_drm_preclose, |
d8f4a9ed TR |
621 | .lastclose = tegra_drm_lastclose, |
622 | ||
6e5ff998 TR |
623 | .get_vblank_counter = tegra_drm_get_vblank_counter, |
624 | .enable_vblank = tegra_drm_enable_vblank, | |
625 | .disable_vblank = tegra_drm_disable_vblank, | |
626 | ||
e450fcc6 TR |
627 | #if defined(CONFIG_DEBUG_FS) |
628 | .debugfs_init = tegra_debugfs_init, | |
629 | .debugfs_cleanup = tegra_debugfs_cleanup, | |
630 | #endif | |
631 | ||
de2ba664 AM |
632 | .gem_free_object = tegra_bo_free_object, |
633 | .gem_vm_ops = &tegra_bo_vm_ops, | |
634 | .dumb_create = tegra_bo_dumb_create, | |
635 | .dumb_map_offset = tegra_bo_dumb_map_offset, | |
43387b37 | 636 | .dumb_destroy = drm_gem_dumb_destroy, |
d8f4a9ed TR |
637 | |
638 | .ioctls = tegra_drm_ioctls, | |
639 | .num_ioctls = ARRAY_SIZE(tegra_drm_ioctls), | |
640 | .fops = &tegra_drm_fops, | |
641 | ||
642 | .name = DRIVER_NAME, | |
643 | .desc = DRIVER_DESC, | |
644 | .date = DRIVER_DATE, | |
645 | .major = DRIVER_MAJOR, | |
646 | .minor = DRIVER_MINOR, | |
647 | .patchlevel = DRIVER_PATCHLEVEL, | |
648 | }; |